Light and Optics in Everyday Life MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Light and Optics in Everyday Life MCQs for Preparation.
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Light and Optics in Everyday Life Online MCQs with Answers
Light is a form of:
a) Mechanical energy
b) Electrical energy
c) Radiant energy
d) Thermal energy
Which type of electromagnetic wave is visible to the human eye?
a) Radio waves
b) Microwaves
c) X-rays
d) Visible light
The primary colors of light are:
a) Red, green, and blue
b) Red, yellow, and blue
c) Red, green, and yellow
d) Cyan, magenta, and yellow
The color of an object we see is determined by the light:
a) It absorbs
b) It reflects
c) It transmits
d) It refracts
The angle of incidence is equal to the angle of _________.
a) Refraction
b) Reflection
c) Absorption
d) Transmission
The phenomenon of bending of light as it passes from one medium to another is called:
a) Reflection
b) Diffraction
c) Dispersion
d) Refraction
The lens in the human eye that helps to focus light is called the:
a) Cornea
b) Pupil
c) Retina
d) Lens
Which type of lens is thicker at the center and thinner at the edges?
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
The device used to form enlarged, virtual, and erect images of objects is a:
a) Convex mirror
b) Concave mirror
c) Convex lens
d) Concave lens
The device used to form diminished, virtual, and erect images of objects is a:
a) Convex mirror
b) Concave mirror
c) Convex lens
d) Concave lens
The type of mirror that can produce both enlarged and diminished images is a:
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
The phenomenon of splitting white light into its component colors is called:
a) Reflection
b) Diffraction
c) Dispersion
d) Refraction
The part of the eye that controls the amount of light entering the eye is the:
a) Cornea
b) Pupil
c) Retina
d) Lens
The color of an object that appears when it reflects all colors of light is:
a) Red
b) Blue
c) Green
d) White
The color of an object that appears when it absorbs all colors of light is:
a) Red
b) Blue
c) Green
d) Black
The lens used in a microscope is a:
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
The lens used in a camera is a:
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
The type of mirror used in car rearview mirrors is a:
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
The type of mirror used in shaving mirrors is a:
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) Spherical mirror
The phenomenon of bending of light around an obstacle or through a narrow opening is called:
a) Reflection
b) Diffraction
c) Dispersion
d) Refraction
The unit used to measure the speed of light is:
a) Meters per second (m/s)
b) Kilometers per hour (km/h)
c) Miles per hour (mph)
d) Light-years (ly)
The process of forming an image by using a small pinhole opening is called:
a) Reflection
b) Diffraction
c) Dispersion
d) Pinhole imaging
The type of lens used to correct nearsightedness is a:
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
The type of lens used to correct farsightedness is a:
a) Convex lens
b) Concave lens
c) Plano-convex lens
d) Plano-concave lens
The phenomenon of the apparent change in frequency of sound or light waves due to the relative motion between the source and the observer is called:
a) Reflection
b) Refraction
c) Diffraction
d) Doppler effect
The process of using lenses or mirrors to produce enlarged images of distant objects is called:
a) Reflection
b) Refraction
c) Diffraction
d) Magnification
The process of using lenses or mirrors to produce diminished images of nearby objects is called:
a) Reflection
b) Refraction
c) Diffraction
d) Minification
The device used to produce and control a narrow, intense beam of light is called a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The device used to measure the intensity of light is called a:
a) Prism
b) Laser
c) Telescope
d) Photometer
The device used to detect and amplify electrical signals produced by light is called a:
a) Prism
b) Laser
c) Telescope
d) Photodetector
The phenomenon of splitting white light into its component colors is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope
The process of using lenses to combine colors and produce an enlarged image is used in a:
a) Prism
b) Laser
c) Telescope
d) Microscope